German phrase
Wie lange sollte ~?
Meaning
How long should ___?
When to use it
Requests a time estimate. It suits cooking and other practical tasks.
Example dialogue
Wie lange sollte der Kuchen im Ofen bleiben?
How long should the cake stay in the oven?
Ungefähr 40 Minuten bei 180 Grad.
Approximately 40 minutes at 180 degrees.